package net.minecraft.src;


public class MathHelper {

    private static float[] SIN_TABLE = new float[65536];


    public MathHelper() {
        super();
    }

    public static final float sin(float var0) {
        return SIN_TABLE[(int)(var0 * 10430.378F) & '\uffff'];
    }

    public static final float cos(float var0) {
        return SIN_TABLE[(int)(var0 * 10430.378F + 16384.0F) & '\uffff'];
    }

    public static final float sqrt_float(float var0) {
        return (float)Math.sqrt((double)var0);
    }

    public static final float sqrt_double(double var0) {
        return (float)Math.sqrt(var0);
    }

    public static int floor_float(float var0) {
        int var1 = (int)var0;
        return var0 < (float)var1?var1 - 1:var1;
    }

    public static int floor_double(double var0) {
        int var2 = (int)var0;
        return var0 < (double)var2?var2 - 1:var2;
    }

    public static float abs(float var0) {
        return var0 >= 0.0F?var0:-var0;
    }

    public static double abs_max(double var0, double var2) {
        if(var0 < 0.0D) {
            var0 = -var0;
        }

        if(var2 < 0.0D) {
            var2 = -var2;
        }

        return var0 > var2?var0:var2;
    }

    static {
        for(int var0 = 0; var0 < 65536; ++var0) {
            SIN_TABLE[var0] = (float)Math.sin((double)var0 * 3.141592653589793D * 2.0D / 65536.0D);
        }
    }
}
